31983900

素因数分解:

$2^2\times 3^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:228

約数の個数: 144

約数和(自身を含む): 102076800

約数和(自身を除く): 70092900

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 25, 26, 30, 39, 50, 52, 59, 60, 65, 75, 78, 100, 118, 130, 139, 150, 156, 177, 195, 236, 260, 278, 295, 300, 325, 354, 390, 417, 556, 590, 650, 695, 708, 767, 780, 834, 885, 975, 1180, 1300, 1390, 1475, 1534, 1668, 1770, 1807, 1950, 2085, 2301, 2780, 2950, 3068, 3475, 3540, 3614, 3835, 3900, 4170, 4425, 4602, 5421, 5900, 6950, 7228, 7670, 8201, 8340, 8850, 9035, 9204, 10425, 10842, 11505, 13900, 15340, 16402, 17700, 18070, 19175, 20850, 21684, 23010, 24603, 27105, 32804, 36140, 38350, 41005, 41700, 45175, 46020, 49206, 54210, 57525, 76700, 82010, 90350, 98412, 106613, 108420, 115050, 123015, 135525, 164020, 180700, 205025, 213226, 230100, 246030, 271050, 319839, 410050, 426452, 492060, 533065, 542100, 615075, 639678, 820100, 1066130, 1230150, 1279356, 1599195, 2132260, 2460300, 2665325, 3198390, 5330650, 6396780, 7995975, 10661300, 15991950, 31983900]

約数ペア:

[(1, 31983900), (2, 15991950), (3, 10661300), (4, 7995975), (5, 6396780), (6, 5330650), (10, 3198390), (12, 2665325), (13, 2460300), (15, 2132260), (20, 1599195), (25, 1279356), (26, 1230150), (30, 1066130), (39, 820100), (50, 639678), (52, 615075), (59, 542100), (60, 533065), (65, 492060), (75, 426452), (78, 410050), (100, 319839), (118, 271050), (130, 246030), (139, 230100), (150, 213226), (156, 205025), (177, 180700), (195, 164020), (236, 135525), (260, 123015), (278, 115050), (295, 108420), (300, 106613), (325, 98412), (354, 90350), (390, 82010), (417, 76700), (556, 57525), (590, 54210), (650, 49206), (695, 46020), (708, 45175), (767, 41700), (780, 41005), (834, 38350), (885, 36140), (975, 32804), (1180, 27105), (1300, 24603), (1390, 23010), (1475, 21684), (1534, 20850), (1668, 19175), (1770, 18070), (1807, 17700), (1950, 16402), (2085, 15340), (2301, 13900), (2780, 11505), (2950, 10842), (3068, 10425), (3475, 9204), (3540, 9035), (3614, 8850), (3835, 8340), (3900, 8201), (4170, 7670), (4425, 7228), (4602, 6950), (5421, 5900)]