201550100

素因数分解:

$2^2\times 5^2\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1$

素因数の和:178

約数の個数: 144

約数和(自身を含む): 490801920

約数和(自身を除く): 289251820

約数列:

[1, 2, 4, 5, 10, 19, 20, 25, 37, 38, 47, 50, 61, 74, 76, 94, 95, 100, 122, 148, 185, 188, 190, 235, 244, 305, 370, 380, 470, 475, 610, 703, 740, 893, 925, 940, 950, 1159, 1175, 1220, 1406, 1525, 1739, 1786, 1850, 1900, 2257, 2318, 2350, 2812, 2867, 3050, 3478, 3515, 3572, 3700, 4465, 4514, 4636, 4700, 5734, 5795, 6100, 6956, 7030, 8695, 8930, 9028, 11285, 11468, 11590, 14060, 14335, 17390, 17575, 17860, 22325, 22570, 23180, 28670, 28975, 33041, 34780, 35150, 42883, 43475, 44650, 45140, 54473, 56425, 57340, 57950, 66082, 70300, 71675, 85766, 86950, 89300, 106079, 108946, 112850, 115900, 132164, 143350, 165205, 171532, 173900, 212158, 214415, 217892, 225700, 272365, 286700, 330410, 424316, 428830, 530395, 544730, 660820, 826025, 857660, 1060790, 1072075, 1089460, 1361825, 1652050, 2015501, 2121580, 2144150, 2651975, 2723650, 3304100, 4031002, 4288300, 5303950, 5447300, 8062004, 10077505, 10607900, 20155010, 40310020, 50387525, 100775050, 201550100]

約数ペア:

[(1, 201550100), (2, 100775050), (4, 50387525), (5, 40310020), (10, 20155010), (19, 10607900), (20, 10077505), (25, 8062004), (37, 5447300), (38, 5303950), (47, 4288300), (50, 4031002), (61, 3304100), (74, 2723650), (76, 2651975), (94, 2144150), (95, 2121580), (100, 2015501), (122, 1652050), (148, 1361825), (185, 1089460), (188, 1072075), (190, 1060790), (235, 857660), (244, 826025), (305, 660820), (370, 544730), (380, 530395), (470, 428830), (475, 424316), (610, 330410), (703, 286700), (740, 272365), (893, 225700), (925, 217892), (940, 214415), (950, 212158), (1159, 173900), (1175, 171532), (1220, 165205), (1406, 143350), (1525, 132164), (1739, 115900), (1786, 112850), (1850, 108946), (1900, 106079), (2257, 89300), (2318, 86950), (2350, 85766), (2812, 71675), (2867, 70300), (3050, 66082), (3478, 57950), (3515, 57340), (3572, 56425), (3700, 54473), (4465, 45140), (4514, 44650), (4636, 43475), (4700, 42883), (5734, 35150), (5795, 34780), (6100, 33041), (6956, 28975), (7030, 28670), (8695, 23180), (8930, 22570), (9028, 22325), (11285, 17860), (11468, 17575), (11590, 17390), (14060, 14335)]