1028492790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{131}}^1\times {\mathrm{491}}^1$

素因数の和:686

約数の個数: 128

約数和(自身を含む): 2749469184

約数和(自身を除く): 1720976394

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 41, 65, 78, 82, 123, 130, 131, 195, 205, 246, 262, 390, 393, 410, 491, 533, 615, 655, 786, 982, 1066, 1230, 1310, 1473, 1599, 1703, 1965, 2455, 2665, 2946, 3198, 3406, 3930, 4910, 5109, 5330, 5371, 6383, 7365, 7995, 8515, 10218, 10742, 12766, 14730, 15990, 16113, 17030, 19149, 20131, 25545, 26855, 31915, 32226, 38298, 40262, 51090, 53710, 60393, 63830, 64321, 69823, 80565, 95745, 100655, 120786, 128642, 139646, 161130, 191490, 192963, 201310, 209469, 261703, 301965, 321605, 349115, 385926, 418938, 523406, 603930, 643210, 698230, 785109, 836173, 964815, 1047345, 1308515, 1570218, 1672346, 1929630, 2094690, 2508519, 2617030, 2637161, 3925545, 4180865, 5017038, 5274322, 7851090, 7911483, 8361730, 12542595, 13185805, 15822966, 25085190, 26371610, 34283093, 39557415, 68566186, 79114830, 102849279, 171415465, 205698558, 342830930, 514246395, 1028492790]

約数ペア:

[(1, 1028492790), (2, 514246395), (3, 342830930), (5, 205698558), (6, 171415465), (10, 102849279), (13, 79114830), (15, 68566186), (26, 39557415), (30, 34283093), (39, 26371610), (41, 25085190), (65, 15822966), (78, 13185805), (82, 12542595), (123, 8361730), (130, 7911483), (131, 7851090), (195, 5274322), (205, 5017038), (246, 4180865), (262, 3925545), (390, 2637161), (393, 2617030), (410, 2508519), (491, 2094690), (533, 1929630), (615, 1672346), (655, 1570218), (786, 1308515), (982, 1047345), (1066, 964815), (1230, 836173), (1310, 785109), (1473, 698230), (1599, 643210), (1703, 603930), (1965, 523406), (2455, 418938), (2665, 385926), (2946, 349115), (3198, 321605), (3406, 301965), (3930, 261703), (4910, 209469), (5109, 201310), (5330, 192963), (5371, 191490), (6383, 161130), (7365, 139646), (7995, 128642), (8515, 120786), (10218, 100655), (10742, 95745), (12766, 80565), (14730, 69823), (15990, 64321), (16113, 63830), (17030, 60393), (19149, 53710), (20131, 51090), (25545, 40262), (26855, 38298), (31915, 32226)]