388825020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{283}}^1\times {\mathrm{449}}^1$

素因数の和:764

約数の個数: 144

約数和(自身を含む): 1256018400

約数和(自身を除く): 867193380

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 85, 90, 102, 153, 170, 180, 204, 255, 283, 306, 340, 449, 510, 566, 612, 765, 849, 898, 1020, 1132, 1347, 1415, 1530, 1698, 1796, 2245, 2547, 2694, 2830, 3060, 3396, 4041, 4245, 4490, 4811, 5094, 5388, 5660, 6735, 7633, 8082, 8490, 8980, 9622, 10188, 12735, 13470, 14433, 15266, 16164, 16980, 19244, 20205, 22899, 24055, 25470, 26940, 28866, 30532, 38165, 40410, 43299, 45798, 48110, 50940, 57732, 68697, 72165, 76330, 80820, 86598, 91596, 96220, 114495, 127067, 137394, 144330, 152660, 173196, 216495, 228990, 254134, 274788, 288660, 343485, 381201, 432990, 457980, 508268, 635335, 686970, 762402, 865980, 1143603, 1270670, 1373940, 1524804, 1906005, 2160139, 2287206, 2541340, 3812010, 4320278, 4574412, 5718015, 6480417, 7624020, 8640556, 10800695, 11436030, 12960834, 19441251, 21601390, 22872060, 25921668, 32402085, 38882502, 43202780, 64804170, 77765004, 97206255, 129608340, 194412510, 388825020]

約数ペア:

[(1, 388825020), (2, 194412510), (3, 129608340), (4, 97206255), (5, 77765004), (6, 64804170), (9, 43202780), (10, 38882502), (12, 32402085), (15, 25921668), (17, 22872060), (18, 21601390), (20, 19441251), (30, 12960834), (34, 11436030), (36, 10800695), (45, 8640556), (51, 7624020), (60, 6480417), (68, 5718015), (85, 4574412), (90, 4320278), (102, 3812010), (153, 2541340), (170, 2287206), (180, 2160139), (204, 1906005), (255, 1524804), (283, 1373940), (306, 1270670), (340, 1143603), (449, 865980), (510, 762402), (566, 686970), (612, 635335), (765, 508268), (849, 457980), (898, 432990), (1020, 381201), (1132, 343485), (1347, 288660), (1415, 274788), (1530, 254134), (1698, 228990), (1796, 216495), (2245, 173196), (2547, 152660), (2694, 144330), (2830, 137394), (3060, 127067), (3396, 114495), (4041, 96220), (4245, 91596), (4490, 86598), (4811, 80820), (5094, 76330), (5388, 72165), (5660, 68697), (6735, 57732), (7633, 50940), (8082, 48110), (8490, 45798), (8980, 43299), (9622, 40410), (10188, 38165), (12735, 30532), (13470, 28866), (14433, 26940), (15266, 25470), (16164, 24055), (16980, 22899), (19244, 20205)]