221233980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{983}}^1$

素因数の和:1048

約数の個数: 144

約数和(自身を含む): 703567872

約数和(自身を除く): 482333892

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 31, 33, 44, 55, 60, 62, 66, 93, 110, 121, 124, 132, 155, 165, 186, 220, 242, 310, 330, 341, 363, 372, 465, 484, 605, 620, 660, 682, 726, 930, 983, 1023, 1210, 1364, 1452, 1705, 1815, 1860, 1966, 2046, 2420, 2949, 3410, 3630, 3751, 3932, 4092, 4915, 5115, 5898, 6820, 7260, 7502, 9830, 10230, 10813, 11253, 11796, 14745, 15004, 18755, 19660, 20460, 21626, 22506, 29490, 30473, 32439, 37510, 43252, 45012, 54065, 56265, 58980, 60946, 64878, 75020, 91419, 108130, 112530, 118943, 121892, 129756, 152365, 162195, 182838, 216260, 225060, 237886, 304730, 324390, 335203, 356829, 365676, 457095, 475772, 594715, 609460, 648780, 670406, 713658, 914190, 1005609, 1189430, 1340812, 1427316, 1676015, 1784145, 1828380, 2011218, 2378860, 3352030, 3568290, 3687233, 4022436, 5028045, 6704060, 7136580, 7374466, 10056090, 11061699, 14748932, 18436165, 20112180, 22123398, 36872330, 44246796, 55308495, 73744660, 110616990, 221233980]

約数ペア:

[(1, 221233980), (2, 110616990), (3, 73744660), (4, 55308495), (5, 44246796), (6, 36872330), (10, 22123398), (11, 20112180), (12, 18436165), (15, 14748932), (20, 11061699), (22, 10056090), (30, 7374466), (31, 7136580), (33, 6704060), (44, 5028045), (55, 4022436), (60, 3687233), (62, 3568290), (66, 3352030), (93, 2378860), (110, 2011218), (121, 1828380), (124, 1784145), (132, 1676015), (155, 1427316), (165, 1340812), (186, 1189430), (220, 1005609), (242, 914190), (310, 713658), (330, 670406), (341, 648780), (363, 609460), (372, 594715), (465, 475772), (484, 457095), (605, 365676), (620, 356829), (660, 335203), (682, 324390), (726, 304730), (930, 237886), (983, 225060), (1023, 216260), (1210, 182838), (1364, 162195), (1452, 152365), (1705, 129756), (1815, 121892), (1860, 118943), (1966, 112530), (2046, 108130), (2420, 91419), (2949, 75020), (3410, 64878), (3630, 60946), (3751, 58980), (3932, 56265), (4092, 54065), (4915, 45012), (5115, 43252), (5898, 37510), (6820, 32439), (7260, 30473), (7502, 29490), (9830, 22506), (10230, 21626), (10813, 20460), (11253, 19660), (11796, 18755), (14745, 15004)]