419918286260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{17839}}^1$

素因数の和:18078

約数の個数: 144

約数和(自身を含む): 990164528640

約数和(自身を除く): 570246242380

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 71, 110, 121, 137, 142, 220, 242, 274, 284, 355, 484, 548, 605, 685, 710, 781, 1210, 1370, 1420, 1507, 1562, 2420, 2740, 3014, 3124, 3905, 6028, 7535, 7810, 8591, 9727, 15070, 15620, 16577, 17182, 17839, 19454, 30140, 33154, 34364, 35678, 38908, 42955, 48635, 66308, 71356, 82885, 85910, 89195, 97270, 106997, 165770, 171820, 178390, 194540, 196229, 213994, 331540, 356780, 392458, 427988, 534985, 784916, 981145, 1069970, 1176967, 1266569, 1962290, 2139940, 2158519, 2353934, 2443943, 2533138, 3924580, 4317038, 4707868, 4887886, 5066276, 5884835, 6332845, 8634076, 9775772, 10792595, 11769670, 12219715, 12665690, 13932259, 21585190, 23539340, 24439430, 25331380, 26883373, 27864518, 43170380, 48878860, 53766746, 55729036, 69661295, 107533492, 134416865, 139322590, 153254849, 173519953, 268833730, 278645180, 295717103, 306509698, 347039906, 537667460, 591434206, 613019396, 694079812, 766274245, 867599765, 1182868412, 1478585515, 1532548490, 1735199530, 1908719483, 2957171030, 3065096980, 3470399060, 3817438966, 5914342060, 7634877932, 9543597415, 19087194830, 20995914313, 38174389660, 41991828626, 83983657252, 104979571565, 209959143130, 419918286260]

約数ペア:

[(1, 419918286260), (2, 209959143130), (4, 104979571565), (5, 83983657252), (10, 41991828626), (11, 38174389660), (20, 20995914313), (22, 19087194830), (44, 9543597415), (55, 7634877932), (71, 5914342060), (110, 3817438966), (121, 3470399060), (137, 3065096980), (142, 2957171030), (220, 1908719483), (242, 1735199530), (274, 1532548490), (284, 1478585515), (355, 1182868412), (484, 867599765), (548, 766274245), (605, 694079812), (685, 613019396), (710, 591434206), (781, 537667460), (1210, 347039906), (1370, 306509698), (1420, 295717103), (1507, 278645180), (1562, 268833730), (2420, 173519953), (2740, 153254849), (3014, 139322590), (3124, 134416865), (3905, 107533492), (6028, 69661295), (7535, 55729036), (7810, 53766746), (8591, 48878860), (9727, 43170380), (15070, 27864518), (15620, 26883373), (16577, 25331380), (17182, 24439430), (17839, 23539340), (19454, 21585190), (30140, 13932259), (33154, 12665690), (34364, 12219715), (35678, 11769670), (38908, 10792595), (42955, 9775772), (48635, 8634076), (66308, 6332845), (71356, 5884835), (82885, 5066276), (85910, 4887886), (89195, 4707868), (97270, 4317038), (106997, 3924580), (165770, 2533138), (171820, 2443943), (178390, 2353934), (194540, 2158519), (196229, 2139940), (213994, 1962290), (331540, 1266569), (356780, 1176967), (392458, 1069970), (427988, 981145), (534985, 784916)]