28913430

素因数分解:

$2^1\times 3^1\times 5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{89}}^1$

素因数の和:143

約数の個数: 192

約数和(自身を含む): 93078720

約数和(自身を除く): 64165290

約数列:

[1, 2, 3, 5, 6, 7, 10, 13, 14, 15, 17, 21, 26, 30, 34, 35, 39, 42, 49, 51, 65, 70, 78, 85, 89, 91, 98, 102, 105, 119, 130, 147, 170, 178, 182, 195, 210, 221, 238, 245, 255, 267, 273, 294, 357, 390, 442, 445, 455, 490, 510, 534, 546, 595, 623, 637, 663, 714, 735, 833, 890, 910, 1105, 1157, 1190, 1246, 1274, 1326, 1335, 1365, 1470, 1513, 1547, 1666, 1785, 1869, 1911, 2210, 2314, 2499, 2670, 2730, 3026, 3094, 3115, 3185, 3315, 3471, 3570, 3738, 3822, 4165, 4361, 4539, 4641, 4998, 5785, 6230, 6370, 6630, 6942, 7565, 7735, 8099, 8330, 8722, 9078, 9282, 9345, 9555, 10591, 10829, 11570, 12495, 13083, 15130, 15470, 16198, 17355, 18690, 19110, 19669, 21182, 21658, 21805, 22695, 23205, 24297, 24990, 26166, 31773, 32487, 34710, 39338, 40495, 43610, 45390, 46410, 48594, 52955, 54145, 56693, 59007, 63546, 64974, 65415, 74137, 80990, 98345, 105910, 108290, 113386, 118014, 121485, 130830, 137683, 148274, 158865, 162435, 170079, 196690, 222411, 242970, 275366, 283465, 295035, 317730, 324870, 340158, 370685, 413049, 444822, 566930, 590070, 688415, 741370, 826098, 850395, 963781, 1112055, 1376830, 1700790, 1927562, 2065245, 2224110, 2891343, 4130490, 4818905, 5782686, 9637810, 14456715, 28913430]

約数ペア:

[(1, 28913430), (2, 14456715), (3, 9637810), (5, 5782686), (6, 4818905), (7, 4130490), (10, 2891343), (13, 2224110), (14, 2065245), (15, 1927562), (17, 1700790), (21, 1376830), (26, 1112055), (30, 963781), (34, 850395), (35, 826098), (39, 741370), (42, 688415), (49, 590070), (51, 566930), (65, 444822), (70, 413049), (78, 370685), (85, 340158), (89, 324870), (91, 317730), (98, 295035), (102, 283465), (105, 275366), (119, 242970), (130, 222411), (147, 196690), (170, 170079), (178, 162435), (182, 158865), (195, 148274), (210, 137683), (221, 130830), (238, 121485), (245, 118014), (255, 113386), (267, 108290), (273, 105910), (294, 98345), (357, 80990), (390, 74137), (442, 65415), (445, 64974), (455, 63546), (490, 59007), (510, 56693), (534, 54145), (546, 52955), (595, 48594), (623, 46410), (637, 45390), (663, 43610), (714, 40495), (735, 39338), (833, 34710), (890, 32487), (910, 31773), (1105, 26166), (1157, 24990), (1190, 24297), (1246, 23205), (1274, 22695), (1326, 21805), (1335, 21658), (1365, 21182), (1470, 19669), (1513, 19110), (1547, 18690), (1666, 17355), (1785, 16198), (1869, 15470), (1911, 15130), (2210, 13083), (2314, 12495), (2499, 11570), (2670, 10829), (2730, 10591), (3026, 9555), (3094, 9345), (3115, 9282), (3185, 9078), (3315, 8722), (3471, 8330), (3570, 8099), (3738, 7735), (3822, 7565), (4165, 6942), (4361, 6630), (4539, 6370), (4641, 6230), (4998, 5785)]